[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-03-21。"],[[["`TileProvider` is an interface for classes that provide tile images for a `TileOverlay` on a map."],["Implementations of this interface must be thread-safe as they may be called from multiple threads."],["`TileProvider` provides a `getTile` method to retrieve the tile image for a specific tile coordinate."],["A `NO_TILE` constant is provided to indicate the absence of a tile for a given coordinate."]]],["The `TileProvider` interface supplies tile images for a `TileOverlay`. Implementations must be thread-safe due to potential multi-threaded method calls. It defines a `NO_TILE` field, indicating the absence of a tile at a specific coordinate. The core method, `getTile`, takes x, y coordinates, and zoom level to return a `Tile`. If no tile is available, it should return `NO_TILE`; if the tile can't be fetched at that moment, it returns null. `UrlTileProvider` is an example of an implementation that is a partial one.\n"]]
